Attachment for cultivators.



A. H. DAVIS.

ATTACHMENT FOR OULTIVATOBS.

APPLICATION FILED FEB. 6, 1911.

Patented Nov. 26, 1912.

UNITED STATES ASAHEL' H. DAVIS, 01? DOUGLAS COUNTY, KANSAS.

ATTACHMENT FOR CULTIVATORS.

Specification of Letters Patent.

Application filed February 6, 1911. Serial No. 606,959.

terminating device whereby the weeds growing between the rows of plants will be covered up by the soil deposited thereon by the cultivating devices.

In order that said invention may be fully understood reference will now be made to the accompanying drawing in which:

Figure 1 is a plan view of that part of a cultivator by which the attachment is carried, showing th attachment in its normal position. Fig. 2 is a front elevation of the attachment, the cultivator being sectioned on line IIII of Fig. 1. Fig. 3 is a sectional detail view, on line IIIIII of Fig. 1, showing one of the springs and its tension adjustment. Fig. 4 is a top view of the parts shown in Fig. 3.

Referring to Fig. 1, the parts 1 and 2 represent the ordinary beams of a one-row cultivator; 3, the shovels on the inner beams; other parts not connected with the inventionare omitted. Secured to the inner face of each of the beams 2,-by a U-bolt 4, is a vertical bracket bar 5, having inwardly-v projecting lugs 6, 7 The U-bolt is adjustable along the beam, and the bracket bar is vertically adjustable through the U-bolt. In each top lug 6 is a polygonal opening 8, in which is movably fitted a correspondingly shaped boss 9 of a spring-adjusting device. This device consists of a bearing sleeve 10 provided with a. flange 11 on which is an eyelug 12. Rotatable in the bore 13 is the upper end of a rockable shaft 14, which extends through a circular opening in the lower lug 7 and is bent inwardly as at 15, and extended horizontally, asat 16, across the row. Just above'the lower lug 7 the shaft 14 is formed with a crank 17. Mounted upon the shaft is a helical spring'18,

whose upper end 18 is inserted in the eye lug 12 and whose lower end 18" is engaged with the crank 17 as shown.

Fig. 1.

As the part 9-10-11 is non-rotatable, the spring presses the crank 17 (which acts as a stop) against the bar 5, thus holding the arm 16 yieldably in the position shown in The two arms, .16, may be at the same or different heights, or one may be setin advance of the other. The function of said arms is to bend down the weeds as the implement moves along, so that the soil pushed upon the weeds by the shovels 3 will cover the weeds, thereby killing them.

The springs 18 must be so adjusted that .the arms 16 will yield when they strike the stalks of the plant being cultivated. As soon as the'arms are free of a stalk the springs return them to normal position. To change the adjustment of a spring, theadjusting device is depressed until its boss 9- 1s clear of its socket, and is turned in the proper direction, the boss 9 being then replaced in as nearly as possible the same angular position in its opening.

lVhile I have shown and described the preferred construction of my attachment, I

Patented Nov. .26, 1912.

of course do not limit myself to theexact i combination and arrangement of parts shown, but reserve the right to make such changes as properly fall within the spirit and scope of the appended claims.

Having thus described my invention what I claim, and desire to secure by Letters Patent, is:

1. In combinationwith the beams of a cultivator, an attachment suitably-secured thereto and comprising a pair of yieldablymounted transversely-extending arms overlapping at their free ends to bend down weeds growing in a row of plants said arms being movable rearwardly from normal position, and springs coacting with said arms to return them to normal position, said arms being arranged in advance of the cultivating appliances on the beams so that the weeds depressed will be covered with soil by said cultivating appliances, substantially as described.

2. In combination with the beams of a cultivator, an attachment comprising brackets adjustably-mounted on said beams, a vertical rockable shaft mounted in each bracket, an arm on each shaft adapted to extend across a row of plants to bend down weeds growing in said row, said arms being mov- "able rearwardly from normal position, 21 shown and described.

helical spring mounted on each shaft, and a spring-adjusting device consisting of a bearing-sleeve embracin the upper end of each shaft and halving a oss nonrotatably seated in an openingin each bracket, one end of each spring being secured to a sleeve and the other end to a shaft, substantially as 10 In testimony whereof I aflix my signature, in the presence of two witnesses.

ASAHEL H. DAVIS. Witnesses:

JOHN HEPPNER, C. M. ALBRIGHT. 

